Answer:
D. IV -> III -> II -> I
Explanation:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
I don’t know any famous ecologists but I know their knowledge impacts us today because we wouldn’t know that much about how and why life forms interact with their habitats
Answer:
A metamorphic rock can be classifies according to its texture and compositions.
Explanation:
The other guy is right, B is the answer now hurry and get that test prep done
Preserves animal tracks are called trace.